设计出一种由社区义工担任关键角色的干预措施组合。
An intervention package was developed, with community volunteers playing a pivotal role.
Scrum团队不止是一个程序员队伍，它由各种背景下的不同角色组合而成，包括商业分析者，设计师，程序员和测试者等等。
A Scrum team should not only be seen as a group of programmers, but should be assembled using roles in various backgrounds, including business analysts, designers, programmers, and testers.
使用这些转换规则及形式化描述方法可以清晰地描述角色间的约束关系，有助于设计者实现角色的分配及组合。
It can well describe the role constraints using these transformation rules and formalization description methods, and helps to implement role assignment and composition.
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